Answer: the value |A|.
- A the value |A|
- B the matrix A
- C the transpose Aᵀ
- D the number 1
Correct answer: A. the value |A|
Explanation: A⁻¹ = adj(A)/|A|, valid when |A| ≠ 0.
Element aij of matrix A sits at the intersection of row i and column j.
Concept context
Matrix operations, determinants, inverses, and solving linear systems